(19)

(11)

EP 1 682 449 A2

(12)

(88) Date of publication A3: 11.08.2005 (43) Date of publication: 26.07.2006 Bulletin 2006/30 (21) Application number: 04785362.7 (22) Date of filing: 30.09.2004

(51) International Patent Classification (IPC):  C02F 1/00(2006.01) (86) International application number: PCT/US2004/032493 (87) International publication number: WO 2005/047186 (26.05.2005 Gazette 2005/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 11.11.2003 US 519228 P 14.07.2004 US 890646 (71) Applicant: ISP INVESTMENTS INC. Wilmington, Delaware 19801 (US)	(72) Inventors: SHAH, Purvita Jersey City, NJ 07306 (US) JUREK, Michael, J. Oak Ridge, NJ 07438 (US) (74) Representative: Harrison, Susan Joan et al Mewburn Ellis LLP York House, 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)